A sculpture of a worker emerging from a sewer hole (or a worker trying to peek under the pedestrian dresses according to another version). The statue was erected in 1997 and became one of the symbols of Bratislava. Legend says that if you touch his head, your wish will be filled.
In a photograph taken from another angle by the same photographer, it is clear that this is indeed a cover that appears on the site Click for a larger image
A similar motif of using a manhole cover as part of a sculpture is found in New York City Click for cover's details